Abookstore had 64 copies of a magazine. yesterday it sold 7/8 of them. how many copies were sold yesterday

Abouncy ball is released from a certain height. on the first bounce, it travels 32cm. with each subsequent bounce, it travels 9/10 the distance of the previous bounce. what is the total distance that the ball has traveled when it completes its 25th bounce?

If y varies directly as x2 and y=6 when x=6, find the constant of variation.

The graph of a function f(x)=(x+2)(x-4). which describes all of the values for which the graph is negative and increasing? all real values of x where x< -2 all real values of x where -2